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Rev 493 Rev 498
Line 52... Line 52...
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        in1 += (in1stride - width) * 3;
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        in1 += (in1stride - width) * 3;
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        in2 += (in2stride - width) * 4;
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        in2 += (in2stride - width) * 4;
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        out += (outstride - width) * 3;
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        out += (outstride - width) * 3;
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    }
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    }
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}
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}
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void blendcolor(int width, int height, uint32_t color,
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                void* outbuf, int outx, int outy, int outstride,
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                void* inbuf, int inx, int iny, int instride)
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{
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    char* in = (char*)inbuf + (inx + iny * instride) * 3;
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    char* out = (char*)outbuf + (outx + outy * outstride) * 3;
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    int r = (color >> 0) & 0xff;
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    int g = (color >> 8) & 0xff;
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    int b = (color >> 16) & 0xff;
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    int a = (color >> 24) & 0xff;
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    int x, y;
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    for (y = 0; y < height; y++)
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    {
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        for (x = 0; x < width; x++)
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        {
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            *out++ = (a * r + (255 - a) * *in++) >> 8;
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            *out++ = (a * g + (255 - a) * *in++) >> 8;
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            *out++ = (a * b + (255 - a) * *in++) >> 8;
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        }
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        in += (instride - width) * 3;
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        out += (outstride - width) * 3;
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    }
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}
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void mattecolor(int width, int height, uint32_t color,
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                void* outbuf, int outx, int outy, int outstride,
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                void* inbuf, int inx, int iny, int instride)
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{
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    char* in = (char*)inbuf + (inx + iny * instride) * 4;
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    char* out = (char*)outbuf + (outx + outy * outstride) * 3;
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    int mr = (color >> 0) & 0xff;
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    int mg = (color >> 8) & 0xff;
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    int mb = (color >> 16) & 0xff;
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    int x, y;
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    for (y = 0; y < height; y++)
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    {
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        for (x = 0; x < width; x++)
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        {
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            int r = *in++;
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            int g = *in++;
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            int b = *in++;
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            int a = *in++;
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            *out++ = (a * r + (255 - a) * mr) >> 8;
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            *out++ = (a * g + (255 - a) * mg) >> 8;
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            *out++ = (a * b + (255 - a) * mb) >> 8;
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        }
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        in += (instride - width) * 4;
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        out += (outstride - width) * 3;
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    }
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}